20107396

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 19809404

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 79, 158, 197, 316, 323, 394, 646, 788, 1292, 1343, 1501, 2686, 3002, 3349, 3743, 5372, 6004, 6698, 7486, 13396, 14972, 15563, 25517, 31126, 51034, 62252, 63631, 102068, 127262, 254524, 264571, 295697, 529142, 591394, 1058284, 1182788, 5026849, 10053698, 20107396]

約数ペア:

[(1, 20107396), (2, 10053698), (4, 5026849), (17, 1182788), (19, 1058284), (34, 591394), (38, 529142), (68, 295697), (76, 264571), (79, 254524), (158, 127262), (197, 102068), (316, 63631), (323, 62252), (394, 51034), (646, 31126), (788, 25517), (1292, 15563), (1343, 14972), (1501, 13396), (2686, 7486), (3002, 6698), (3349, 6004), (3743, 5372)]